Home / 39,567.72-54,601.38-21,659.30

Finding the Fourth Proportional to 39,567.72, 54,601.38 and 21,659.30

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Solution

The fourth proportional to 39,567.72, 54,601.38 and 21,659.30 is: 29,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,567.72 : 54,601.38 = 21,659.30 : x
  2. Step 2: Convert to fraction form
    39,567.72/54,601.38 = 21,659.30/x
  3. Step 3: Cross multiply
    39,567.72x = 54,601.38 × 21,659.30
  4. Step 4: Simplify right side
    39,567.72x = 1,182,627,396.83
  5. Step 5: Solve for x
    x = 1,182,627,396.83/39,567.72
  6. Step 6: Final answer
    x = 29,888.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.